100233322221 has 4 divisors (see below), whose sum is σ = 133644429632. Its totient is φ = 66822214812.

The previous prime is 100233322181. The next prime is 100233322229. The reversal of 100233322221 is 122223332001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 100233322221 - 2¹⁸ = 100233060077 is a prime.

It is a super-3 number, since 3×100233322221³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100233322229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16705553701 + ... + 16705553706.

It is an arithmetic number, because the mean of its divisors is an integer number (33411107408).

Almost surely, 2^100233322221 is an apocalyptic number.

It is an amenable number.

100233322221 is a deficient number, since it is larger than the sum of its proper divisors (33411107411).

100233322221 is an equidigital number, since it uses as much as digits as its factorization.

100233322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33411107410.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 100233322221 its reverse (122223332001), we get a palindrome (222456654222).

The spelling of 100233322221 in words is "one hundred billion, two hundred thirty-three million, three hundred twenty-two thousand, two hundred twenty-one".